CN214016097U - Active antibacterial protective face screen - Google Patents

Abstract

The utility model relates to an initiative antibacterial formula protection face screen, including fixed main part and face screen (70), its characterized in that, fixed main part comprises first casing (10) and second casing (50), wherein, be provided with at least one chamber (40) that allow gaseous one-way flow between first casing (10) and second casing (50), be provided with in chamber (40) and come at least one sterilization slow-release body to gaseous sterilization with the gaseous mode of slow-release sterilization. Compared with the ozone disinfection technology in the prior art, the utility model discloses a sterilization slow-release body is to gaseous sterile method that sterilizes, can not only reduce the consumption of electric energy, can also reduce the weight and the heat that produce, has the cooling effect, uses more comfortable convenience.

Description

Active antibacterial protective face screen

Technical Field

The utility model relates to a protector technical field especially relates to an initiative antibacterial formula protection face screen.

Background

Under the background of new coronavirus epidemic situation, it has become a popular demand how to disinfect the environment where the virus exists, so that fresh, clean and virus-free air can be breathed. However, since the human body is in a moving state, it is inconvenient to improve the environment, and the improvement of the environment by the portable sterilizing apparatus is popular.

For example, patent document CN111544790A discloses a head protection cover, which includes an air supply device and a rectifying device located on both sides of the head, wherein the air supply device provides a pressure air flow for the rectifying device, the rectifying device includes an air inlet and an air outlet, the air outlet is radially arranged around the head by taking the rectifying device as a center, the air flow ejected from the air outlets of the two rectifying devices on both sides of the head forms an air curtain cover surrounding the head, and the air flow of the air curtain provides clean air for breathing and can effectively protect other parts of the head to prevent the head from being exposed to the air containing harmful substances. The air curtain does not influence the driving force of the wearer, is breathable, does not influence the sight line and is comfortable to experience. Although the invention can provide fresh air to some extent, it cannot sterilize the air into clean air without viruses. When the user is in an environment with high density distribution of viruses, the flowing air cannot be completely sterilized and purified.

Therefore, there is a need for a protective cover that can sterilize and purify air to eliminate viruses.

Patent document CN111111036A discloses a positive pressure air purification protective cover and method, which is characterized in that the protective cover comprises a positive pressure air curtain pipeline and an air suction pipeline, wherein the positive pressure air curtain pipeline is arranged at the forehead part of a human face, the positive pressure air curtain pipeline discharges air with certain pressure to form an air curtain, and the air curtain constructs an isolation belt in front of the face part of the human face to block the contact of pollutants or germs in the outside air with the human body; the air outlet of the air suction pipeline is arranged at the oral cavity part of the human face, and the purified and sterilized clean air is supplied to the human body for breathing through the air suction pipeline. The protective cover is provided with a breathing pipeline and a positive pressure air curtain pipeline, purified and sterilized air provides sucked clean air for a human body through the breathing pipeline, and meanwhile, a positive pressure air curtain is formed through the positive pressure air curtain pipeline to isolate external air pollutants. The air treatment device comprises an air inlet, a sterilization chamber, an ultraviolet irradiation chamber, a catalyst box body and an air outlet which are communicated in sequence, wherein an air pump provides power for air circulation, and the air outlet conveys treated purified air to a positive pressure air curtain pipeline and an air suction pipeline through a connecting pipeline. An ozone generator is arranged in the sterilization chamber. The invention realizes the elimination and cleaning of viruses by ozone and ultraviolet sterilization, and can realize the sterilization and the purpose of air, but the invention still has the defects that the device has a complex structure and needs a larger accommodating space, so that the volume of the protective cover is larger and heavier, and the cervical vertebra is not beneficial to the long-term wearing of workers. Health of the shoulder, neck, etc. Moreover, the air pump, the ozone generating device and the ultraviolet sterilization in the invention need a large amount of power supply support, so that the volume of the battery is increased, the weight of the battery is increased, and the health of a user is not facilitated.

Therefore, how to provide a protective cover which is light in weight, convenient to carry and low in energy consumption is a technical problem to be solved.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides an initiative antibacterial formula protection face screen, including fixed main part and face screen, its characterized in that, fixed main part comprises first casing and second casing, wherein, be provided with at least one chamber that allows gaseous one-way flow between first casing and the second casing, the intracavity is provided with comes at least one sterilization slow-release body to gas sterilization with the gaseous mode of slow-release sterilization.

Preferably, at least one gas pressure device is arranged in the cavity for promoting the gas to flow in a single direction in a manner of forming micro positive pressure relative to the external gas, wherein the gas flowing in the single direction is as follows: flows from the second end of the stationary body to the first end of the stationary body where the face screen is disposed.

Preferably, the first housing and/or the second housing is provided with at least one first through hole for inflow of gas, preferably the first through hole is provided at the second end of the fixing body.

Preferably, the second shell is provided with at least one second through hole, and the hole direction of the second through hole is arranged in a manner that gas flows towards the face screen, so that the gas in the second through hole forms a micro-positive pressure area in and around the face screen area.

Preferably, the sterilization slow-release body is disposed in close contact with the first housing and the second housing, respectively, and the sterilization slow-release body is provided with at least one flow channel for allowing gas to flow therethrough.

Preferably, the sterilization release body is a sterilization release layer, and the sterilization release layer is provided so as to have at least one space allowing gas to flow through with the first casing and/or the second casing.

Preferably, the flow channel is arranged with a gradually decreasing width in a gas flowing direction, so that the pressure of the gas is gradually increased during the flowing process. The narrower the flow channel, the greater the gas pressure of the gas.

Preferably, the flow channel is streamlined and at least one streamlined island is disposed within the flow channel, such that the gas undergoes at least one dispersion and/or at least one concentration within the flow channel.

Preferably, at least one cavity is divided into a plurality of flow channels, and at least one sterilization slow-release body and/or sterilization slow-release layer are arranged in the flow channels in a mode of allowing gas to flow.

The utility model discloses still relate to an initiative antibacterial formula protection face screen, including fixed main part and face screen, its characterized in that, fixed main part comprises first casing and second casing, wherein, be provided with in the fixed main part and come at least one sterilization slow-release body and at least one gas pressure applying device to gas sterilization with the gaseous mode of slow-release sterilization, gas pressure applying device is in order to promote gaseous mode setting for outside gas formation pressure-fired and one-way flow, and gaseous one-way flow direction is: flows from the second end of the stationary body to the first end of the stationary body where the face screen is disposed.

The utility model has the advantages of:

(1) the active antibacterial protective face screen is formed on the basis of the advantages of no electric energy consumption and light weight of the sterilization slow-release body, the wearing weight of the face screen can be reduced, and the head can be cooled;

(2) air in the fixed main body flows towards the face screen, so that water mist can be prevented from being generated in the face screen, and a micro-positive pressure sterilization and disinfection area surrounding the face can be formed, so that virus gas is prevented from entering a human body through breathing;

(3) the gas is filtered and sterilized by the sterilization slow release body, so that the sterilization efficiency of the gas can be improved.

Drawings

FIG. 1 is a side cross-sectional block diagram of a protective face screen;

FIG. 2 is a surface schematic view of the overall structure of the protective face screen;

FIG. 3 is a schematic view of one arrangement of disinfecting structures within a protective panel;

FIG. 4 is a schematic view of another arrangement of disinfecting structures within a protective panel;

fig. 5 is a schematic view of the distribution of one of the air holes of the protective face screen.

FIG. 6 is a schematic view of one of the flow channels in the chamber.

List of reference numerals

10: a first housing; 20: sterilizing the sustained-release body; 30: a gas pressure device; 40: a cavity; 50: a second housing; 60: air holes; 70: a face screen.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

The protective face screen in the prior art can only prevent the face from being invaded by liquid sprayed head-on or fluid objects such as wind, dust and the like through the face screen structure. Air that may contain viruses during the face of a new corona epidemic cannot be disinfected in an open manner to prevent infection by the new corona virus. The totally-enclosed mask device can sterilize the air to be inhaled, but the gas and the water vapor generated in the totally-enclosed mask make the user uncomfortable, and even make the facial skin generate symptoms such as red swelling and reddening due to the long-term water vapor erosion.

Therefore, how to make the protective face screen provide a completely sterile air environment in a semi-open mode without increasing the load bearing burden of the head is a technical problem which cannot be solved at present.

The sterilization slow release body in the utility model is an object which can slowly release chlorine dioxide gas. The sterilization slow release body at least comprises the following raw materials in percentage by mass: 30-55% of solid acid, 30-45% of sodium chlorite, 15-25% of slow release agent and 2-15% of filling agent.

Preferably, the sterilization slow release body comprises the following raw materials in percentage by mass: 40-45% of solid acid, 40% of sodium chlorite, 20-22% of slow release agent and 5-8% of filling agent.

Preferably, the solid acid is one of citric acid, oxalic acid, sodium bisulfate, sodium dihydrogen phosphate or ferric chloride.

Preferably, the slow release agent is one of sodium chloride and anhydrous sodium sulfate.

Preferably, the filler is one of perlite powder or expanded vermiculite powder, and the main body of the filler is a lightweight porous mineral filler.

The sterilization slow release body can continuously and slowly release chlorine dioxide gas to sterilize and disinfect the gas, and has the advantages that:

(1) the lasting time is long, the disinfection is carried out continuously for 24 hours, and the drug effect can last for 7 to 15 days;

(2) high-efficiency sterilization, wherein 1 sterilization slow-release body exists per 100 cubic meters to effectively kill bacteria, fungi, viruses, mycoplasma and the like;

(3) does not cause 'three causes', namely carcinogenesis, teratogenesis and mutagenesis;

(4) can realize the disinfection of the belt animals;

(5) the oxygen is increased and the deodorization can be realized, the effect can be realized after 2 hours, and whether the sterilization effect is continuously and effectively can be judged according to the change of the odor in the environment;

(6) the metal equipment is not corroded when the device is correctly operated and used;

(7) the sterilization is thorough, no dead angle is left, the epidemic situation horizontal propagation chain can be effectively cut off, and the epidemic situation protective wall is constructed.

As shown in fig. 1 and 2, the active antibacterial protective panel of the present invention at least comprises a fixed main body and a panel 70. Wherein the fixing body is fixed on the head by at least one rotatable fixing band connected with the fixing body. The panel 70 is fixed to the edge of the face position of the fixing body so that a protective effect can be achieved on the face.

Wherein, as shown in fig. 5, the fixing body of the utility model is provided with at least one cavity therein. In particular, at least one cavity is provided between the first housing 10 and the second housing 50 of the stationary body. At least one sterilization slow-release body 20 is arranged in the cavity. The first and/or second housing 50 is provided with at least one first through hole allowing inflow of gas. The second housing 50 is provided with at least one second through hole 60. Preferably, the gas outflow direction of the at least one second through hole 60 converges towards the face shield direction so as to form at least one shielding gas shield. Preferably, the gas flow direction within the stationary body is from the first end to the second end of the stationary body. Wherein, the second end is the one end that is provided with the face screen. The first end is the end facing the back of the head opposite the second end.

When the gas passes through the sterilization slow-release body in the cavity, the sterilization slow-release body releases sterilization substances to sterilize and disinfect the gas, so that the gas flowing out of the fixed main body is sterile gas without virus and germs, and active bacteriostasis of the face screen is realized. Preferably, the flowing gas can remove water vapor on the inner side of the face screen, and water mist formed on the face screen is avoided, so that the definition of the face screen is maintained.

Preferably, at least one gas pressurizing means 30 is disposed in the cavity between the first housing 10 and the second housing 50. The gas pressure device 30 promotes the gas to flow towards the second through hole in a micropressure forming mode, so that the gas flowing out of the second through hole 60 forms micropressure relative to the gas environment where the face screen is located, the sterilized gas is distributed on the face and around the face screen and forms a micropressure sterile area, the invasion of bacteria-containing gas is avoided, and viruses are prevented from entering a human body along with respiration. Moreover, the flowing gas can reduce the temperature of the fixed main body, so that the head of the user is cooled and comfortable.

Preferably, the gas pressurizing device 30 may be one or more of a micro fan, a gas regulating device, and a gas pressurizing device. The gas pressurizing means is, for example, a miniature gas pump.

Preferably, the second through holes 60 are distributed along the edge of the second housing so that the sterile gas forms a gas curtain around the head in a slightly positive pressure manner.

Preferably, the angle of the second through holes 60 is set in such a way that the gas flows around from the back side of the head to the front side of the head, so that the gas flows around the head and blows towards the face screen, and the gas containing water vapor can be removed while the temperature is reduced, thereby maintaining the dryness of the face screen and avoiding the condensation of water mist on the face screen.

Preferably, the cavity in the stationary body may be an integral cavity, as shown in fig. 3. The sterilization slow release body is a sterilization slow release layer. The sterilization release layer is disposed in such a manner that there is at least one space allowing gas communication with the first shell and/or the second shell. The advantage of such an arrangement is that the gas can flow rapidly and the sterilization area of the sterilization release layer is large.

For example, at least one sterile barrier is adjacent or in close proximity to the inner side of the first shell, with a second space between the sterile barrier and the second shell that allows gas flow.

At least one sterilization slow-release layer is adjacent to or clings to the inner side surface of the second shell, and a first interval allowing gas to flow is arranged between the sterilization slow-release layer and the first shell.

The first shell and the second shell are respectively provided with opposite sterilization slow-release layers, so that a sterilization channel allowing gas to flow is formed between the two sterilization slow-release layers.

The at least one sterilization slow-release layer and the first shell and the second shell are arranged between the first shell and the second shell in a spaced mode respectively, so that gas can simultaneously pass through a first space between the sterilization slow-release layer and the first shell and a second space between the sterilization slow-release layer and the second shell.

Preferably, as shown in fig. 4, a plurality of sterilization slow-release bodies are arranged in the cavity between the first shell and the second shell.

Preferably, the sterilization release body is arranged on the gas flow passage and is provided with a plurality of filtering holes for allowing the gas to pass through, so that the gas is sterilized and disinfected in a filtering manner.

Preferably, a plurality of sterilization slow-release bodies are arranged on the inner side surface of the first shell and/or the second shell, or a part of the slow-release bodies are arranged between the first shell and the second shell. The plurality of sterilization slow-release bodies are matched or spliced with each other to form a flow passage allowing gas to pass through, so that the gas passes through the sterilization slow-release bodies to improve the sterilization efficiency of the gas. Preferably, the flow passages among the plurality of sterilization release bodies can be regular or irregular. Preferably, as shown in fig. 6, the sterilization slow-release body is arranged in a streamline shape, so that a flow channel formed by a plurality of streamline sterilization slow-release bodies can form gas with pressure through dispersion and aggregation for several times.

Preferably, the position of the first through hole and the position of the second through hole are respectively matched with the inlet and the outlet of the flow channel in the wall body, so that gas can smoothly enter and exit the flow channel between the sterilization slow release bodies.

Preferably, a plurality of chambers arranged in the form of flow channels are arranged between the first housing and the second housing. The cavities can be communicated with each other to form a plurality of flow channels of gas. Preferably, the partial cavities may not be communicated with each other. At least one sterilization slow-release body is arranged in the cavity. And the gas enters the flow channel in the cavity from the first through hole, is mixed with the sterilizing substance released by the sterilizing slow release body in the flowing process and is sterilized and disinfected to form sterile virus-free gas.

Preferably, a power supply connected with the gas pressure device is arranged in the cavity. Preferably, the power source comprises a rechargeable or non-rechargeable battery to provide power to the gas pressurizing means.

The principle of the present invention is as follows.

After the gas pressure device in the fixed main body is started, the gas pressure device blows the gas entering from the first through hole behind the brain to the direction of the second through hole through the plurality of flow channels and pressurizes the gas, so that the gas in the flow channels has micro positive pressure relative to the external environment. The gas contacts the sterilization slow release body and is sterilized and disinfected to eliminate viruses such as new coronavirus and the like. The gas flow passage direction of the second through hole is arranged according to the flow direction of the face screen. So that the gas in the edge through holes 51 at both sides of the panel flows around the head toward the panel under the action of slight positive pressure. The gas in the second through holes at the edge of the face screen flows along the inner side surface of the face screen under the action of micro-positive pressure, so that an independent disinfection and sterilization area is formed in the area in the face screen, and the virus gas is isolated from entering the area. Meanwhile, the exhaled gas on the surface of the face screen is taken away by the flowing of the gas, and the surface of the face screen is prevented from being condensed into water mist. Preferably, more central through holes 52 are provided in the second housing to allow gas to pass from the surface of the head to cool the head. Preferably, the cavity between the first shell and the second shell is provided with a detachable clamping mechanism for opening the cavity and replacing the ineffective sterilization slow release body, so that the bacteriostatic face screen can be used for a long time.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. An active bacteriostatic protective face screen comprising a stationary body and a face screen (70), characterized in that the stationary body is constituted by a first shell (10) and a second shell (50), wherein,

at least one cavity (40) allowing the unidirectional flow of gas is arranged between the first shell (10) and the second shell (50),

at least one sterilization slow-release body for sterilizing gas in a slow-release manner is arranged in the cavity (40).

2. The active bacteriostatic protective panel according to claim 1 wherein at least one gas pressure applying device (30) is arranged in said cavity (40) for promoting the unidirectional flow of gas in a manner of forming a micro-positive pressure with respect to the external gas,

the one-way flowing direction of the gas is as follows: flows from the second end of the stationary body to the first end of the stationary body where the face screen is disposed.

3. An active bacteriostatic protective face screen according to claim 2 wherein the first and/or second housing is provided with at least one first through hole for gas inflow,

the first through hole is arranged at the second end of the fixing main body.

4. Active bacteriostatic protective face screen according to claim 3, characterized in that said second shell (50) is provided with at least one second through hole (60),

the hole direction of the second through holes (60) is set in a mode that gas flows towards the face screen, so that the gas in the second through holes (60) forms a micro-positive pressure area in and around the face screen area.

5. The active antibacterial protective screen according to any one of claims 1 to 4, wherein the sterilization release body is disposed in close contact with the first and second casings, respectively, and

the sterilization slow-release body is provided with at least one flow passage allowing gas to flow.

6. The active antibacterial protective face screen according to any one of claims 1 to 4, wherein the sterilization slow-release body is a sterilization slow-release layer, and the sterilization slow-release layer is disposed in a manner that at least one interval allowing gas to flow through exists between the sterilization slow-release layer and the first shell and/or the second shell.

7. The active, bacteriostatic, protective face screen according to claim 5 wherein said flow channels are arranged with a gradually decreasing width in the direction of gas flow, so that the pressure of the gas during flow increases gradually.

8. The active bacteriostatic protective panel according to claim 5, wherein the flow channel is streamlined and at least one streamlined island is arranged in the flow channel,

so that the gas undergoes at least one dispersion and/or at least one accumulation within the flow channel.

9. The active, bacteriostatic protective panel according to claim 1 wherein at least one of said cavities (40) is spaced apart by a plurality of flow channels,

at least one sterilization slow-release body and/or sterilization slow-release layer is/are arranged in the flow channel in a mode of allowing gas to flow.

10. An active bacteriostatic protective face screen comprising a stationary body and a face screen (70), characterized in that the stationary body is constituted by a first shell (10) and a second shell (50), wherein,

at least one sterilization slow-release body and at least one gas pressure device (30) which are used for sterilizing gas in a slow-release sterilization gas mode are arranged in the fixed main body,

the gas pressurizing means (30) is arranged in such a manner as to promote a unidirectional flow of gas at a slight positive pressure with respect to the external gas,

the one-way flowing direction of the gas is as follows: flows from the second end of the stationary body to the first end of the stationary body where the face screen is disposed.

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